|
Product model |
Unit |
U840BP/300T |
U700BP/280T |
U550BP/240T |
U420BP/205T |
|
|
Structure height (H) |
mm |
300 |
280 |
240 |
205 |
|
|
Nominal disc diameter (D) |
mm |
420 |
420 |
400 |
400 |
|
|
Nominal creepage distance |
mm |
650 |
650 |
635 |
650 |
|
|
Rated electromechanical damage load |
kN |
840 |
700 |
550 |
420 |
|
|
Routine tensile load |
kN |
420 |
350 |
275 |
210 |
|
|
Connection mark |
40 |
36 |
32 |
28 |
||
|
DC corona extinguishing voltage |
kV |
≥ 50 |
≥ 50 |
≥ 50 |
≥ 50 |
|
|
Positive polarity 1min dry withstand voltage |
kV |
≥ 150 |
≥ 150 |
≥ 150 |
≥ 150 |
|
|
SF6 breakdown withstand voltage |
kV |
255 |
240 |
≥ 225 |
≥ 225 |
|
|
Impulse breakdown voltage |
p.u. |
≥ 2.8 |
≥ 2.8 |
≥ 2.8 |
≥ 2.8 |
|
|
Radio interference voltage |
Test voltage to ground |
kV |
10 |
10 |
10 |
10 |
|
1MHz Radio Interference Voltage |
μV |
≤ 50 |
≤ 50 |
≤ 50 |
≤ 50 |
|
|
Weight |
kg |
41.5 |
36.0 |
23.5 |
20.0 |
|
|
Executive standard: GB ANSI IEC BS |
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